Home / 14,236.34-21,331.45-8,672.82

Finding the Fourth Proportional to 14,236.34, 21,331.45 and 8,672.82

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Solution

The fourth proportional to 14,236.34, 21,331.45 and 8,672.82 is: 12,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.34 : 21,331.45 = 8,672.82 : x
  2. Step 2: Convert to fraction form
    14,236.34/21,331.45 = 8,672.82/x
  3. Step 3: Cross multiply
    14,236.34x = 21,331.45 × 8,672.82
  4. Step 4: Simplify right side
    14,236.34x = 185,003,877.03
  5. Step 5: Solve for x
    x = 185,003,877.03/14,236.34
  6. Step 6: Final answer
    x = 12,995.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.